JP2007259034A - Digital television broadcast receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a digital television broadcast receiver capable of automatically displaying information provided in prescribed data broadcast services in a predetermined prescribed timing. <P>SOLUTION: The digital television broadcast receiver provided with a function of receiving data broadcast and displaying the broadcast includes: a data acquisition means for selecting the prescribed data broadcast service in the prescribed data acquisition timing, acquiring data broadcast data, and storing the data to a nonvolatile memory; and a data provisioning means for provisioning the data stored in the nonvolatile memory in the prescribed data provisioning timing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a digital television broadcast receiver having a function of receiving and displaying a data broadcast.

  Currently, in the data broadcasting service provided by BS / CS110 degrees / digital terrestrial broadcasting, the data broadcasting content includes BML (Broadcasting Markup Language) defined by ARIB STD-B24 and its constituent elements, JPEG and PNG. It consists of various monomedia data. The BML document is interpreted and processed by the BML browser and presented on the screen. In the data broadcasting service, unique content is provided for each service, and various types of content such as news, weather forecast, program related information, shopping, and games are provided.

  Some content provided by data broadcasting services, such as data broadcasting content that provides weather forecasts, is based on postal code information set by users on digital broadcast receivers. Some of them present forecasts on the screen. In such a type of content, information customized for each user is provided, which is often useful information for the user, and is frequently used. However, since the data broadcasting service provides unique data broadcasting content for each service, if the user is watching a program of a service different from the data broadcasting service that he / she wants to watch, he / she must It was necessary to activate the broadcast service.

  An object of the present invention is to provide a digital television broadcast receiver capable of automatically displaying information provided by a predetermined data broadcasting service at a predetermined timing.

  According to the first aspect of the present invention, in a digital television broadcast receiver having a function of receiving and displaying a data broadcast, a predetermined data broadcast service is selected at a predetermined data acquisition timing, and the data broadcast data is obtained as an income. Data acquisition means for storing in the nonvolatile memory, and data presentation means for presenting data stored in the nonvolatile memory at a predetermined data presentation timing.

  The invention according to claim 2 is the data broadcasting service in which the predetermined data broadcasting service provides the weather forecast in the invention according to claim 1, and the data acquisition means performs the weather forecast at the predetermined data acquisition timing. The data broadcasting service to be provided is selected, the weather forecast data is obtained and stored in the nonvolatile memory, and the data presenting means is the weather forecast stored in the nonvolatile memory at a predetermined data presentation timing. It is characterized by presenting the data.

  According to a third aspect of the present invention, in the second aspect of the present invention, the data presenting means is preset by the user with the weather forecast data stored in the nonvolatile memory at a predetermined data presenting timing. Based on the zip code information, the weather forecast data of the area corresponding to the zip code information is presented.

  According to a fourth aspect of the present invention, in the third aspect of the present invention, the data presentation means is preset by the user with the weather forecast data stored in the nonvolatile memory at a predetermined data presentation timing. It is characterized by comprising means for outputting a local weather forecast corresponding to the zip code information by voice based on the zip code information.

  According to a fifth aspect of the present invention, in the first to fourth aspects of the invention, the predetermined data acquisition timing is the timing at which the remote control power source is turned off when the main power source is on and / or the predetermined time by the user. This is characterized in that it is the timing when the data broadcasting service is directly selected.

  According to a sixth aspect of the present invention, in the first to fifth aspects of the invention, the predetermined data presentation timing is the timing when the main power is turned on and the remote control power is turned on when the main power is on. It is a timing that is switched to.

  According to the present invention, it is possible to automatically display information provided by a predetermined data broadcasting service at a predetermined timing.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows the configuration of a digital television broadcast receiver.

  The broadcast wave received by the antenna 1 is sent to the digital tuner 2, subjected to high frequency processing and demodulation, and output as a transport stream. The DEMUX 3 separates the transport stream received from the digital tuner 2 into MPEG2 video transport packets, audio transport packets, PSI, and SI.

  The AV decoder 4 includes a video decoder that decodes video transport packets and an audio decoder that decodes audio transport packets. The video data generated by the AV decoder 4 is sent to the monitor 7 via the multiplexer 5 and the video output circuit 6. The audio data generated by the AV decoder 4 is sent to the speaker 9 via the audio output circuit 8.

  The CPU 10 controls each part of the digital television broadcast receiver. The CPU 10 includes a flash memory 11 that stores the program and the DRAM 12 that stores image data. A remote control signal from the remote control transmitter 20 is input to the CPU 10 via the remote control light receiver 13.

  The CPU 10 is connected to an ODS display circuit 15 for generating on-screen screen data. The on-screen screen data generated by the ODS display circuit 15 is sent to the multiplexer 5 and synthesized with video data. The video signal obtained by the multiplexer 5 is sent to the monitor 7 via the video output circuit 6.

  The remote control power key provided on the remote control transmitter 20 is for turning on / off the power of the digital television broadcast receiver in a state where the main power key in the main body operation unit of the digital television broadcast receiver is turned on. .

  FIG. 2 shows the flow of data broadcast content, video data, and audio data separated by DEMUX 3.

  The transport stream (TS) output from the digital tuner 2 is separated for each ES by the PID filter 31 in the DEMUX 3. The video data separated by the PID filter 31 is sent to the video decoder 41 in the AV decoder 4. The audio data separated by the PID filter 31 is sent to the audio decoder 42 in the AV decoder 4. The video data obtained by the video decoder 41 is sent to the frame memory 51 constituting the multiplexer 5. The audio data obtained by the audio decoder 42 is sent to the audio output circuit 8.

  The data broadcast content separated by the PID filter 31 passes through the section filter 61 and is given to the data carousel reception processing unit 62. The data carousel reception processing unit 62 extracts module data constituting the data broadcast content. The module data extracted by the data carousel reception processing unit 62 is analyzed by the BML processing unit 63 after analysis of the BML document, decoding of various monomedia such as Jpeg and Png images, etc., and then the frame memory constituting the multiplexer 5 51 and is combined with the video data. The video data synthesized in the frame memory 51 is sent to the video output circuit 6.

  Data broadcast content is described in BML defined by ARIB STD-B24. In addition, data such as weather forecasts are sent in binary format, and the following name space is used to uniquely identify all of them.

arib-dc: // <original_network _id>. <transport_stream_id>. <service_id> /
<component_tag> / <module_id>

  A service in digital broadcasting corresponds to a channel in conventional analog broadcasting, and is identified by service_id. Among these, the data broadcasting service has one or a plurality of data components, and each component is identified by component_tag. A module transmitted by each component is identified by module_id.

  Each module can be regarded as being stored in a directory structure as shown in FIG. 3 according to the name space in the content buffer.

  In this embodiment, at a predetermined data acquisition timing, binary data (weather forecast binary data) storing weather forecast data for each region of a data broadcasting service that provides a weather forecast is acquired and flashed in a digital broadcast receiver. It is stored in the memory (nonvolatile memory) 11.

  To obtain weather forecast binary data, it is necessary to select a channel for a service that provides a weather forecast. Therefore, it is preferable to acquire weather forecast binary data except when the user is viewing any service (except for the weather forecast service). In this embodiment, weather forecast data is acquired at the following timings (a), (b), and (c).

(A) Immediately after the remote control power is turned off while the main power is on (b) When the weather forecast service is directly selected by the user (c) When the program guide is displayed, When a predetermined color button is pressed

  Further, in this embodiment, predetermined data presentation timing, for example, when the main power is turned on, when the remote control power is switched from off to on in the state where the main power is on, or the program guide and various menu screens Corresponds to the zip code information set in the digital broadcast receiver based on the weather forecast binary data stored in the flash memory 11 and the zip code information set in the digital broadcast receiver. On-screen display of the weather forecast for the local area

  FIG. 4 shows a weather forecast binary data acquisition processing procedure executed at a predetermined data acquisition timing.

  When the predetermined data acquisition timing is reached, the data broadcasting service including the weather forecast data is selected (step S1). Next, weather forecast binary data is acquired from the received data broadcast content (step S2). The acquired weather forecast binary data is stored in the flash memory 11.

  FIG. 5 shows a weather forecast presentation processing procedure executed at a predetermined data presentation timing.

  When the predetermined data display timing is reached, the zip code information set in the receiver is acquired (step S11). Next, weather forecast binary data stored in the flash memory 11 is analyzed, and area weather forecast data corresponding to the zip code information set in the receiver is acquired (step S12). Then, the acquired weather forecast data is displayed (step S13).

  It should be noted that voice data relating to the weather forecast is stored in advance in the digital broadcast receiver, and a reproducing means for reproducing it is provided, and the weather forecast data is displayed instead of displaying the weather forecast data in step S13 or in step S13. While displaying the data, the weather forecast may be output by voice.

  As the audio output content, for example, when it is fine, “Today is a sunny forecast”, and when it is likely to rain from the afternoon, “It is a rainy forecast from the afternoon”.

  According to the above embodiment, the user can browse the information of the weather forecast performed in the data broadcasting service without selecting the service for which the data broadcasting service is performed or starting the data broadcasting service. It becomes possible to improve user convenience.

It is a block diagram which shows the structure of a digital television broadcast receiver. It is a block diagram which shows the flow of the data broadcast content, video data, and audio | voice data isolate | separated by DEMUX3. It is a schematic diagram which shows the directory structure in the content buffer in a data broadcasting service. It is a flowchart which shows the acquisition process procedure of the weather forecast binary data performed in a predetermined data acquisition timing. It is a flowchart which shows the weather forecast presentation process procedure performed in a predetermined data presentation timing.

Explanation of symbols

2 Digital tuner 3 DEMUX
4 AV decoder 5 Multiplexer 6 Video output circuit 8 Audio output circuit 10 CPU
11 Flash memory

Claims (6)

In a digital television broadcast receiver with a function to receive and display data broadcasts,
Data acquisition means for selecting a predetermined data broadcasting service at a predetermined data acquisition timing, obtaining data broadcast data and storing it in the non-volatile memory, and being stored in the non-volatile memory at a predetermined data presentation timing Data presentation means for presenting data,
A digital television broadcast receiver comprising: The predetermined data broadcasting service is a data broadcasting service that provides a weather forecast, and the data acquisition means selects a data broadcasting service that provides the weather forecast at a predetermined data acquisition timing, and obtains the weather forecast data. The data presenting means is stored in a non-volatile memory, and the data presenting means presents weather forecast data stored in the non-volatile memory at a predetermined data presenting timing. Digital TV broadcast receiver. The data presenting means, based on the weather forecast data stored in the non-volatile memory and the zip code information set in advance by the user at a predetermined data presentation timing, the weather forecast for the area corresponding to the zip code information 3. The digital television broadcast receiver according to claim 2, wherein the data is presented. The data presenting means, based on the weather forecast data stored in the non-volatile memory and the zip code information set in advance by the user at a predetermined data presentation timing, the weather forecast for the area corresponding to the zip code information 4. The digital television broadcast receiver according to claim 3, further comprising means for outputting the sound. The predetermined data acquisition timing is a timing when a remote control power source is turned off when a main power source is in an ON state and / or a timing when the predetermined data broadcasting service is directly selected by a user. 5. A digital television broadcast receiver according to 1 to 4. 6. The predetermined data presentation timing is a timing at which a main power source is turned on and a timing at which a remote control power source is switched from off to on when the main power source is in an on state. Digital TV broadcast receiver.

Images